The earbuds keep connecting to the device even after being put back in the charging case with the cover closed. Turn on absolute volume in the developer options or select "the Bluetooth device volume to sync with the phone" in the Bluetooth settings. When you first use these earbuds, remove the protective film covering the charging pins on the earbuds.

When the battery of the charging case is at 0-20%, the light in the middle of the charging case will turn red for 5 seconds and then go out. If the earbuds are not worn properly in your ears, you may not experience the best bass performance. It's important to note that there may be a slight delay when using Bluetooth headphones, which is a common limitation of Bluetooth technology.

When you place the left and right earbuds in the charging case, there will be white LED indicators which confirms the earbuds are properly connected with the charging case. That's a pretty big claim to make, so naturally, we're curious to see if it can live up to those high expectations. If you only want to listen to the audio on the computer, select "soundcore Liberty 4 NC Stereo" for the computer audio. Look at the L/R logo on the back of the earbuds to ensure that the left and right earbuds are being worn on the correct sides. Go into the region of the system, switch to English (United States), and switch the system language to English (United States).

Unfortunately none of them XXL so the tip test still reveals a poor seal and when exercising they occasionally fall out. Whenever I started talking while wearing these, I could feel the cancelling effect lift a little, allowing me to hear what I was saying without issue.

If you are using a Samsung mobile phone, you may need to manually activate the LDAC switch in the Bluetooth settings interface. If you only want to listen to the audio on the computer, select "soundcore Liberty 4 NC Stereo" for computer audio. Try testing your earbuds with a different Bluetooth device in a different environment to see if there is any difference.

Use a dry cloth/cotton swab with rubbing alcohol to clean the charging pins in the charging case and on the earbuds to ensure a better connection. To check if you're wearing the earbuds in the perfect position, take the Fit Test on the soundcore app for more information.Change the ear tips to ones that fit more snugly in your ears and make sure you're wearing the earbuds in the correct position to create a tight seal. Please note that this doesn't necessarily mean there is an issue with the earbuds but may have something to do with the connected device and environment. When resetting the earbuds, make sure the earbuds are well connected with the charging case, or it may cause the reset to fail. Use a Q-tip with a bit of rubbing alcohol to gently clean the metal mesh filter under the rubber ear tips. Access the Bluetooth settings on one device and disconnect the earbuds from the list of available devices.